Endoscopic ultrasound (EUS)

An endoscopic ultrasound is a procedure performed by a gastroenterologist, who uses a combination of endoscopy and ultrasound to look at the digestive tract and nearby organs and tissues.

Endoscopic retrograde cholangiopancreatography (ERCP)

Endoscopic retrograde cholangiopancreatography (ERCP) is a procedure that uses endoscopy, x-ray and dye to view the biliary tract and pancreatic ducts and possibly treat issues there.